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Bar code: 4902561626018
Until 2026-06-30T16:00:00.000+00:00 Upon $238 FREE NoteBook on selected categories
Until 2026-06-30T16:00:00.000+00:00 Enjoy an extra 10% discount for "In-store Pickup" or "SF Express Pay on Delivery" on order
Free shipping over $99 (SF Express Station/Smart Locker)(EC-GET - iPostal Stations/7-Eleven store) on order
Home delivery for orders over $500 on order
Upon $138 Free a Mini Calendar on order
Upon $588 FREE a Wheat Straw Cultery Set on order
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Scientific brushes, also known as soft pens, ink pens, dual-purpose pens, water pens, water pens, and black-out pens, are an evolutionary version of the brush. It is a writing tool that contains water-based ink in the barrel and continuously supplies ink to the nib through gravity and capillary action. Therefore, no ink is needed, and you can write as long as you open the pen cover, and it is also convenient to carry.